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ABB DS271 Type C Residual Current Circuit Breakers 30mA Overcurrent Protection ABB 2CSR175092R1204, An ABB Residual Current Circuit Breaker with overcurrent protection RCBO. This 20A 30mA DS271 RCBO has a 'C' characteristic and combines the functions of a miniature circuit breaker MCB and a residual current circuit breaker RCCB in a compact space saving 17.5mm module. It provides supplementary earth leakage protection for individual circuits in order to protect people from the risk of electrocution and fires, caused by electrical faults, whilst also providing over current protection for equipment and cables. ABB 2CSR175092R1204 SP Width RCBO 20A 30mA
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